Test Circuit(675)
Uses item details. Price when purchased online
Deal NOYAFA NF-824 Circuit Breaker Finder GFCI Outlet Tester Trip Time Display Digital Circuit Breaker Locator Receiver Scan NCV Voltage Detector Type-C Rechargeable From $39.99 Was $50.99

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From$3999
$50.99
NOYAFA NF-824 Circuit Breaker Finder GFCI Outlet Tester Trip Time Display Digital Circuit Breaker Locator Receiver Scan NCV Voltage Detector Type-C Rechargeable
64.8 out of 5 Stars. 6 reviews
Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, 20ft Extension Cord, for 99% Car $89.99

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$8999
current price $89.99Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, 20ft Extension Cord, for 99% Car
35 out of 5 Stars. 3 reviews
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ANCEL PB600 Power Circuit Probe Tool with Battery/Relay/Injector Test, 8-35V Automotive Electrical Circuit Tester $189.99 Was $359.99

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Now$18999
current price Now $189.99, Was $359.99$359.99
ANCEL PB600 Power Circuit Probe Tool with Battery/Relay/Injector Test, 8-35V Automotive Electrical Circuit Tester
14 out of 5 Stars. 1 reviews
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Performance Tool W2979 Cordless Circuit Tester (3 to 28 Volt) Safe with ECM's, Sensors, Transducers and More Black $21.45 $21.45/count

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$2145
current price $21.45$21.45/count
Performance Tool W2979 Cordless Circuit Tester (3 to 28 Volt) Safe with ECM's, Sensors, Transducers and More Black
Best seller Hyper Tough Circuit Tester $8.82

$882
current price $8.82Hyper Tough Circuit Tester
624.6 out of 5 Stars. 62 reviews
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Best seller EverStart 6-24V Automotive Circuit Tester, Bidirectional Polarity Test Light with Red/Green LED Indicator $5.44

$544
current price $5.44EverStart 6-24V Automotive Circuit Tester, Bidirectional Polarity Test Light with Red/Green LED Indicator
1974.3 out of 5 Stars. 197 reviews
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Hyper Tough Circuit Tester, 1 Each $8.82

$882
current price $8.82Hyper Tough Circuit Tester, 1 Each
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Best seller Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $11.89 Was $13.99

Now$1189
current price Now $11.89, Was $13.99$13.99
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
204.9 out of 5 Stars. 20 reviews
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Automotive Power Circuit Probe Tester with 4M Lead, 6-24V DC LED Light, Battery & Fuse Tester, Auto Electrical Tool $15.59

$1559
current price $15.59Automotive Power Circuit Probe Tester with 4M Lead, 6-24V DC LED Light, Battery & Fuse Tester, Auto Electrical Tool
64.3 out of 5 Stars. 6 reviews
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Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, 20ft Extension Cord, for 99% Car $89.99

$8999
current price $89.99Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, 20ft Extension Cord, for 99% Car
35 out of 5 Stars. 3 reviews
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ANCEL PB500, 65V Red Digital Circuit Probe Kit Power Scan Automotive Circuit Tester From $49.99

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From$4999
ANCEL PB500, 65V Red Digital Circuit Probe Kit Power Scan Automotive Circuit Tester
264.5 out of 5 Stars. 26 reviews
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Deal NOYAFA NF-827 Circuit Breaker Finder & Locator with GFCI Outlet Tester, Circuit Breaker Tester Tool, NCV Voltage Detector (90-120V AC) $31.99 Was $36.99

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Now$3199
current price Now $31.99, Was $36.99$36.99
NOYAFA NF-827 Circuit Breaker Finder & Locator with GFCI Outlet Tester, Circuit Breaker Tester Tool, NCV Voltage Detector (90-120V AC)
454.5 out of 5 Stars. 45 reviews
Homesteed Test Light Automotive Circuit Tester 24V Car Fuse Tester Voltage Meter with LED for Quick Visual Diagnosis and Roadside Repairs

Homesteed Test Light Automotive Circuit Tester 24V Car Fuse Tester Voltage Meter with LED for Quick Visual Diagnosis and Roadside Repairs
Best seller Slaprin 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red $7.69

$769
current price $7.69Slaprin 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Red
394.8 out of 5 Stars. 39 reviews
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Autel PowerScan PS100 Automotive Circuit Tester with AVOmeter, 20ft Cable, Lights $89.99

$8999
current price $89.99Autel PowerScan PS100 Automotive Circuit Tester with AVOmeter, 20ft Cable, Lights
34.3 out of 5 Stars. 3 reviews
Automotive Power Circuit Tester with LED Light - DC Power Probe for 6-24V, Short Finder, Continuity & Resistance Check | Car Electrical Diagnostic Tool $15.94

$1594
current price $15.94Automotive Power Circuit Tester with LED Light - DC Power Probe for 6-24V, Short Finder, Continuity & Resistance Check | Car Electrical Diagnostic Tool
184.7 out of 5 Stars. 18 reviews
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Deal NOYAFA NF-824 Circuit Breaker Finder GFCI Outlet Tester Trip Time Display Digital Circuit Breaker Locator Receiver Scan NCV Voltage Detector Type-C Rechargeable Was $50.99
NOYAFA NF-824 Circuit Breaker Finder GFCI Outlet Tester Trip Time Display Digital Circuit Breaker Locator Receiver Scan NCV Voltage Detector Type-C Rechargeable
64.8 out of 5 Stars. 6 reviews
Deal NOYAFA NF-827 Circuit Breaker Finder & Locator with GFCI Outlet Tester, Circuit Breaker Tester Tool, NCV Voltage Detector (90-120V AC) $31.99 Was $36.99

Now$3199
current price Now $31.99, Was $36.99$36.99
NOYAFA NF-827 Circuit Breaker Finder & Locator with GFCI Outlet Tester, Circuit Breaker Tester Tool, NCV Voltage Detector (90-120V AC)
454.5 out of 5 Stars. 45 reviews
Tone Generator Kit, Wire Tracer Circuit Tester, 200EP High Accuracy Wire Tester, Multi-Tone Cable Test with Inductive Amplifier $25.99

$2599
current price $25.99Tone Generator Kit, Wire Tracer Circuit Tester, 200EP High Accuracy Wire Tester, Multi-Tone Cable Test with Inductive Amplifier
54.2 out of 5 Stars. 5 reviews
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M Buder Automotive Circuit Tester 6-75V DC, LED Digital Display Auto Electrical Test Light, Polarity Continuity Checker for Car Truck Motorcycle, 9.06 inches / 23 cm, Black From $20.89
From$2089
M Buder Automotive Circuit Tester 6-75V DC, LED Digital Display Auto Electrical Test Light, Polarity Continuity Checker for Car Truck Motorcycle, 9.06 inches / 23 cm, Black
STORGENER Car Circuit Tester, Wire Piercing Circuit Tester, 6-12-24V, Automotive Probe Tool Electric Trailer Wiring Diagnosis From $10.99 Was $29.99

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From$1099
$29.99
STORGENER Car Circuit Tester, Wire Piercing Circuit Tester, 6-12-24V, Automotive Probe Tool Electric Trailer Wiring Diagnosis
424.7 out of 5 Stars. 42 reviews
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Mrcartool B530 12V 24V Automotive Circuit Tester Test Light Electrical System Diagnostic Toolwith DC/AC Voltage, Resistance & Diode Test, 10m Cable From $59.99

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From$5999
Mrcartool B530 12V 24V Automotive Circuit Tester Test Light Electrical System Diagnostic Toolwith DC/AC Voltage, Resistance & Diode Test, 10m Cable
35 out of 5 Stars. 3 reviews
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Auto Drive Circuit Analyzer, 1count per Pack, 4.37in Height and 2.38in Width and 2.86in Depth From $43.66

2 options
Available in additional 2 optionsFrom$4366
Auto Drive Circuit Analyzer, 1count per Pack, 4.37in Height and 2.38in Width and 2.86in Depth
454.6 out of 5 Stars. 45 reviews
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Nilight 30 AMP RV Circuit Tester 125V/3750W RV Circuit Analyzer Plug with LED Indicator Light 30 amp Nema TT-30P ETL Listed Surge Protector Circuit Tester Plug for RV Camper Trailer $17.99

$1799
current price $17.99Nilight 30 AMP RV Circuit Tester 125V/3750W RV Circuit Analyzer Plug with LED Indicator Light 30 amp Nema TT-30P ETL Listed Surge Protector Circuit Tester Plug for RV Camper Trailer
15 out of 5 Stars. 1 reviews
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Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Light Tester, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles $9.99

$999
current price $9.99Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Light Tester, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles
144.6 out of 5 Stars. 14 reviews
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Veevvio Non-Contact Voltage Tester, Dual-Range AC 12V/48V-1000V Circuit Detector with LED Display, Buzzer Alarm & Breakpoint Finder, Batteries Included, 1-Pack $7.99

$799
current price $7.99Veevvio Non-Contact Voltage Tester, Dual-Range AC 12V/48V-1000V Circuit Detector with LED Display, Buzzer Alarm & Breakpoint Finder, Batteries Included, 1-Pack
44.5 out of 5 Stars. 4 reviews
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Hyper Tough Circuit Breaker Locator TD35306G, New, 1 Each, 8.5 in x 1.5 in x 0.75 in, 9-volt Battery Included, AC 90 - 120 Volts, LED Display $31.97

$3197
current price $31.97Hyper Tough Circuit Breaker Locator TD35306G, New, 1 Each, 8.5 in x 1.5 in x 0.75 in, 9-volt Battery Included, AC 90 - 120 Volts, LED Display
674.3 out of 5 Stars. 67 reviews
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M Buder P60 Automotive Circuit Tester Car Electrical System Short Tester 6-30V DC LCD Display Flashlight Component Activation Continuity Testing Grounding Detection Trace Locate Short Circuits $32.22

$3222
current price $32.22M Buder P60 Automotive Circuit Tester Car Electrical System Short Tester 6-30V DC LCD Display Flashlight Component Activation Continuity Testing Grounding Detection Trace Locate Short Circuits
Power Circuit Probe Tester, 6-24V DC Circuit Tester with LED Test Light Automotive Circuit Breaker, Car Electrical Tester, AC DC Current Resistance Short Finder $13.99

$1399
current price $13.99Power Circuit Probe Tester, 6-24V DC Circuit Tester with LED Test Light Automotive Circuit Breaker, Car Electrical Tester, AC DC Current Resistance Short Finder
95 out of 5 Stars. 9 reviews
Klein Tools ET310 AC Circuit Breaker Finder, Electric Tester with Integrated GFCI Outlet Tester $83.14

$8314
current price $83.14Klein Tools ET310 AC Circuit Breaker Finder, Electric Tester with Integrated GFCI Outlet Tester
774.4 out of 5 Stars. 77 reviews
Power Circuit Probe Tester, 6V-24V DC Automotive Test Light with Short Circuit Finder, Polarity Identification, Component Activation & Overload Protection for Car Truck Electrical Diagnosis $15.97

Sponsored
$1597
current price $15.97Power Circuit Probe Tester, 6V-24V DC Automotive Test Light with Short Circuit Finder, Polarity Identification, Component Activation & Overload Protection for Car Truck Electrical Diagnosis
76 Pcs Automotive Circuit Test Lead Kit, Multimeter Test Leads Kit, Electrical Back Probe Kit, Alligator Clip, Acicular Probe, Banana Plug Adapters, Volt Meter Lead (with Carrying Case) From $66.20

Sponsored
From$6620
76 Pcs Automotive Circuit Test Lead Kit, Multimeter Test Leads Kit, Electrical Back Probe Kit, Alligator Clip, Acicular Probe, Banana Plug Adapters, Volt Meter Lead (with Carrying Case)
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YAHHU Car Circuit Tester DC 6 to 36V Multifunctional High Sensitivity with 2 Clips Power Circuit Probe Tester for Vehicles Auto Electrical System Test Pen Blue 10.63 inches / 27 cm From $27.19
From$2719
YAHHU Car Circuit Tester DC 6 to 36V Multifunctional High Sensitivity with 2 Clips Power Circuit Probe Tester for Vehicles Auto Electrical System Test Pen Blue 10.63 inches / 27 cm
VDIAGTOOL V210 Automotive Wire Tracer Open & Short Circuit Finder, DC 6–42V Cable Tracker with LED Probe & Buzzer, Battery Powered Electrical Tester
VDIAGTOOL V210 Automotive Wire Tracer Open & Short Circuit Finder, DC 6–42V Cable Tracker with LED Probe & Buzzer, Battery Powered Electrical Tester
54.8 out of 5 Stars. 5 reviews
Nilight 4 Way Flat Trailer Wiring Circuit Tester Male End Wire 4 Pin Test with Bright Light Indicator for Turn Signal Brake Tail Lights Trouble Shooting $8.99

$899
current price $8.99Nilight 4 Way Flat Trailer Wiring Circuit Tester Male End Wire 4 Pin Test with Bright Light Indicator for Turn Signal Brake Tail Lights Trouble Shooting
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Katzco, 6-12 V White Voltage Continuity & Current Circuit Tester

Katzco, 6-12 V White Voltage Continuity & Current Circuit Tester
464.5 out of 5 Stars. 46 reviews
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Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $9.98

$998
current price $9.98Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
104 out of 5 Stars. 10 reviews
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Automotive Short & Open Circuit Finder EM415PRO, Wire Tracer Tester DC 6-42V with 7" Flexible Probe, Electrical Short Detector for Car & Truck, Locate Broken Wires, Current Leaks $16.88

$1688
current price $16.88Automotive Short & Open Circuit Finder EM415PRO, Wire Tracer Tester DC 6-42V with 7" Flexible Probe, Electrical Short Detector for Car & Truck, Locate Broken Wires, Current Leaks
COM1950s 1Pcs Tester Screwdriver,Contact Voltage Tester Pen Light Circuit Tester Voltage Detecter Pen Electric Test Pen Screwdriver Dual Head Slot Ac 100-500V

COM1950s 1Pcs Tester Screwdriver,Contact Voltage Tester Pen Light Circuit Tester Voltage Detecter Pen Electric Test Pen Screwdriver Dual Head Slot Ac 100-500V
Power Probe ECT3000, 12-24V Red Digital Circuit Tester $488.71 $488.71/count

$48871
current price $488.71$488.71/count
Power Probe ECT3000, 12-24V Red Digital Circuit Tester
55 out of 5 Stars. 5 reviews
Deal Nilight Electrical Safety Kit, Outlet Circuit Tester with Indicator Lights & Right Angle Plug Adapter, 2-Piece Value Bundle for Home Electrical Safety $35.99 Was $40.98

Now$3599
current price Now $35.99, Was $40.98$40.98
Nilight Electrical Safety Kit, Outlet Circuit Tester with Indicator Lights & Right Angle Plug Adapter, 2-Piece Value Bundle for Home Electrical Safety
ANCEL PB50 New Power Circuit Probe Tester, 12V 24V Automotive Circuit Tester, Electrical Diagnistic Tool From $49.99

3 options
Available in additional 3 optionsFrom$4999
ANCEL PB50 New Power Circuit Probe Tester, 12V 24V Automotive Circuit Tester, Electrical Diagnistic Tool
264.5 out of 5 Stars. 26 reviews
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Type C Inductance Tester, Circuit Tester High Sensitivity Precise Circuit Testing Structure, Inductance Tester For General Use In Electrical Testing Applications $3.63

$363
current price $3.63Type C Inductance Tester, Circuit Tester High Sensitivity Precise Circuit Testing Structure, Inductance Tester For General Use In Electrical Testing Applications
15 out of 5 Stars. 1 reviews
Power Probe PP3 Clam Shell, 12-24V, Red Circuit Tester, Portable Diagnostic Tool $174.21 $174.21/lb

$17421
current price $174.21$174.21/lb
Power Probe PP3 Clam Shell, 12-24V, Red Circuit Tester, Portable Diagnostic Tool
225 out of 5 Stars. 22 reviews
Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker $14.95

$1495
current price $14.95Test Light Automotive 3-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Voltage Tester, Electric Test Pen with Extended Spring Wire & Probe for Car RV Fuse Checker
Automotive Test Light Digital LED Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses

Automotive Test Light Digital LED Circuit Tester 6V/12V/24V Auto Electric Tester Light Tool with Voltmeter and Probe for Checking Vehicle Car Truck Motorcycle Boat Fuses
55 out of 5 Stars. 5 reviews
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools $17.52 Was $21.64

Now$1752
current price Now $17.52, Was $21.64$21.64
Power Circuit Probe Tester, 6V/12V/24V DC Circuit Tester Automotive, Multifunctional Car Electric Circuit Tester Power Fuse & Voltage Tester Light, Short Circuit Breake Finder Electrical Tools
25 out of 5 Stars. 2 reviews
Power Probe PP31CS, 600V Red Digital Circuit Tester, 5 Piece Pack $387.56

$38756
current price $387.56Power Probe PP31CS, 600V Red Digital Circuit Tester, 5 Piece Pack
84 out of 5 Stars. 8 reviews
Astro Pneumatic 7760 Cordless Circuit Tester $14.27

$1427
current price $14.27Astro Pneumatic 7760 Cordless Circuit Tester
65 out of 5 Stars. 6 reviews
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KFFKFF Automotive Circuit Tester, 8-35 DCV Power Probe with TFT Color Screen and Illumination, Electrical Tester with 19.7 ft / 6 m Cable, 2-in-1 Diagnostic Tool for Vehicle Circuits $85.99

$8599
current price $85.99KFFKFF Automotive Circuit Tester, 8-35 DCV Power Probe with TFT Color Screen and Illumination, Electrical Tester with 19.7 ft / 6 m Cable, 2-in-1 Diagnostic Tool for Vehicle Circuits
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